Facile syntheses of bimetallic ytterbium bisamides stabilized by a flexible bridged bis(phenolato) ligand and the high activity for the polymerization of L-lactide.

The "ate" and neutral bimetallic ytterbium bisamido complexes stabilized by a flexible bridged bis(phenolate) group are prepared, which exhibited high activity for the ring-opening polymerization of L-lactide.

[1]  K. Lu,et al.  Chair-boat form transformation of piperazine-containing ligand toward the preparation of dirhenium metallacycles. , 2009, Inorganic chemistry.

[2]  Wenyi Li,et al.  Synthesis of rare-earth metal amides bearing an imidazolidine-bridged bis(phenolato) ligand and their application in the polymerization of L-lactide. , 2009, Inorganic chemistry.

[3]  Yingming Yao,et al.  Bridged bis(amidinate) ytterbium alkoxide and phenoxide: syntheses, structures, and their high activity for controlled polymerization of L-lactide and epsilon-caprolactone. , 2009, Inorganic chemistry.

[4]  C. Redshaw,et al.  Multinuclear alkylaluminium macrocyclic Schiff base complexes: influence of procatalyst structure on the ring opening polymerisation of epsilon-caprolactone. , 2008, Chemical communications.

[5]  Brandon A. Rodriguez,et al.  Neutral bimetallic nickel(II) phenoxyiminato catalysts for highly branched polyethylenes and ethylene-norbornene copolymerizations , 2008 .

[6]  T. Marks,et al.  Bimetallic effects in homopolymerization of styrene and copolymerization of ethylene and styrenic comonomers: scope, kinetics, and mechanism. , 2008, Journal of the American Chemical Society.

[7]  T. Marks,et al.  Synthesis and catalytic properties of phenylene-bridged binuclear organolanthanide complexes , 2008 .

[8]  Yingming Yao,et al.  Ytterbium amides of linked bis(amidinate): synthesis, molecular structures, and reactivity for the polymerization of L-lactide. , 2007, Dalton transactions.

[9]  Yingming Yao,et al.  Controlled syntheses, characterization, and reactivity of neutral and anionic lanthanide amides supported by methylene-linked bis(phenolate) ligands. , 2007, Inorganic chemistry.

[10]  S. Singh,et al.  Robust and efficient molecular catalysts with a M-O-M' framework. , 2007, Dalton transactions.

[11]  V. Ritleng,et al.  Hydrocarbyl ligand transformations on heterobimetallic complexes. , 2007, Chemical reviews.

[12]  T. Marks,et al.  Nuclearity and cooperativity effects in binuclear catalysts and cocatalysts for olefin polymerization , 2006, Proceedings of the National Academy of Sciences.

[13]  K. Ding,et al.  Intramolecularly Dinuclear Magnesium Complex Catalyzed Copolymerization of Cyclohexene Oxide with CO2 under Ambient CO2 Pressure: Kinetics and Mechanism , 2006 .

[14]  W. Wong,et al.  Synthesis, Reactivity, and Characterization of Amine Bis(phenolate) Lanthanide Complexes and Their Application in the Polymerization of ε-Caprolactone , 2005 .

[15]  Hoseop Yun,et al.  Bimetallic anilido-aldimine zinc complexes for epoxide/CO2 copolymerization. , 2005, Journal of the American Chemical Society.

[16]  M. McNevin,et al.  Dititanium complexes of preorganized binucleating bis(amidinates). , 2004, Inorganic chemistry.

[17]  S. Matsunaga,et al.  Direct catalytic asymmetric Mannich-type reaction of hydroxyketone using a Et2Zn/linked-BINOL complex: synthesis of either anti- or syn-beta-amino alcohols. , 2004, Journal of the American Chemical Society.

[18]  B. Trost,et al.  Direct catalytic asymmetric aldol additions of methyl ynones. Spontaneous reversal in the sense of enantioinduction. , 2004, Journal of the American Chemical Society.

[19]  B. Bosnich,et al.  Principles of mononucleating and binucleating ligand design. , 2004, Chemical reviews.

[20]  Zixiang Huang,et al.  Synthesis, structure, and catalytic activity of tetracoordinate lanthanide amides [(Me3Si)2N]3Ln(μ-Cl)Li(THF)3 (Ln=Nd, Sm, Eu) , 2003 .

[21]  Wen‐Hua Sun,et al.  Synthesis and crystal structures of novel β-diketiminato-lithium, iron, cobalt, nickel, zirconium complexes and their catalytical behaviors in polymerization of ethylene , 2003 .

[22]  J. Ziller,et al.  Reactivity of (C5Me5)2Sm with aryl-substituted alkenes: synthesis and structure of a bimetallic styrene complex that contains an .eta.2-arene lanthanide interaction , 1990 .

[23]  D. C. Bradley,et al.  Three coordination in metal complexes , 1977 .